Infiniti G37 Coupe. Manual - part 708

FAX-4

< ON-VEHICLE MAINTENANCE >

FRONT WHEEL HUB AND KNUCKLE

ON-VEHICLE MAINTENANCE

FRONT WHEEL HUB AND KNUCKLE

Inspection

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MOUNTING INSPECTION

Make sure that the mounting conditions (looseness, backlash) of each component and component conditions
(wear, damage) are normal.

WHEEL BEARING INSPECTION

• Move wheel hub and bearing assembly in the axial direction by hand. Make sure there is no looseness of

wheel bearing.

• Rotate wheel hub and make sure that is no unusual noise or other irregular conditions. If there is any of

irregular conditions, replace wheel hub and bearing assembly.

Standard

Axial end play

: Refer to 

FAX-7, "Wheel Bearing"

.

FRONT WHEEL HUB AND KNUCKLE

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ON-VEHICLE REPAIR

FRONT WHEEL HUB AND KNUCKLE

Exploded View

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Removal and Installation

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REMOVAL

Wheel Hub and Bearing Assembly

1.

Remove tires from vehicle with power tool.

2.

Remove wheel sensor from steering knuckle. Refer to 

BRC-100, "Exploded View"

.

CAUTION:

Never pull on wheel sensor harness.

3.

Remove torque member mounting bolts with power tool. Hang torque member in a place where it will not
interfere with work. Refer to 

BR-43, "BRAKE CALIPER ASSEMBLY (1 PISTON TYPE) : Exploded View"

(1 piston type), 

BR-47, "BRAKE CALIPER ASSEMBLY (4 PISTON TYPE) : Exploded View"

 (4 piston

type).

CAUTION:

Never depress brake pedal while brake caliper is removed.

4.

Remove disc rotor. Refer to 

BR-44, "BRAKE CALIPER ASSEM-

BLY (1 PISTON TYPE) : Removal and Installation"

 (1 piston

type), 

BR-48, "BRAKE CALIPER ASSEMBLY (4 PISTON TYPE)

: Removal and Installation"

 (4 piston type).

CAUTION:

• Put matching marks (A) on the wheel hub and bearing

assembly and the disc rotor before removing the disc
rotor.

• Never drop disc rotor.

5.

Remove wheel hub and bearing assembly mounting bolts, and
then remove splash guard and wheel hub and bearing assembly
from steering knuckle.

Steering Knuckle

1.

Steering knuckle

2.

Ball seat

3.

Cotter pin

4.

Splash guard

5.

Wheel hub and bearing assembly

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPDIF0001GB

JPDIF0112ZZ

FAX-6

< ON-VEHICLE REPAIR >

FRONT WHEEL HUB AND KNUCKLE

1.

Remove wheel hub and bearing assembly, and then remove splash guard.

2.

Remove brake hose bracket. Refer to 

BR-21, "FRONT : Exploded View"

.

3.

Remove cotter pin (1) of steering outer socket, and then loosen
the nut.

4.

Remove steering outer socket (2) from steering knuckle (3) so
as not to damage ball joint boot (4) using the ball joint remover. 

CAUTION:

Temporarily tighten the nut to prevent damage to threads
and to prevent the ball joint remover from suddenly coming
off.

5.

Remove cotter pin of transverse link and steering knuckle, and
then loosen nut.

6.

Remove fixing nut and bolt with a power tool, separate upper
link from steering knuckle. Refer to 

FSU-16, "Exploded View"

.

7.

Separate transverse link from steering knuckle so as not to damage ball joint boot using the ball joint
remover.

CAUTION:

Temporarily tighten the nut to prevent damage to threads and to prevent the ball joint remover
from suddenly coming off.

8.

Remove steering knuckle form vehicle.

INSTALLATION

Note the following, and install in the reverse order of the removal.
• Perform the final tightening of each of parts under conditions, which were removed when removing wheel

hub and bearing assembly and steering knuckle.

CAUTION:

• Never reuse cotter pin.
• Never drop disc rotor.
• Align the matching marks (A) that have been made during

removal when reusing the disc rotor.

Inspection

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INSPECTION AFTER REMOVAL

Check components for deformation, cracks, and other damage. Replace if there are.

Ball Joint Inspection

Check boots of transverse link and steering outer socket ball joint for breakage, axial play, and torque. Refer to

FSU-6, "Inspection"

 and 

ST-32, "Inspection"

.

INSPECTION AFTER INSTALLATION

• Check the wheel alignment. Refer to 

FSU-7, "Wheel Alignment Inspection"

.

• Adjust neutral position of steering angle sensor after checking the wheel alignment. Refer to 

BRC-8,

"ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Special Repair Requirement"

.

• Check wheel sensor harness for proper connection. Refer to 

BRC-100, "Exploded View"

.

SGIA1183E

JPDIF0112ZZ

SERVICE DATA AND SPECIFICATIONS (SDS)

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Wheel Bearing

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Axial end play

0.05 mm (0.002 in) or less